CVE-2020-24676

Insecure Windows Services in Symphony Plus

HIGH

7.8

CVSS Score

Published: December 22, 2020 at 09:15 PM UTC

Updated: June 17, 2026 at 03:05 AM UTC

2 products affected across 1 vendorSymphony + OperationsSymphony + Historian

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Severity

HIGH7.8

Exploit prediction

EPSS 0.4%

Description

In Symphony Plus Operations and Symphony Plus Historian, some services can be vulnerable to privilege escalation attacks. An unprivileged (but authenticated) user could execute arbitrary code and result in privilege escalation, depending on the user that the service runs as.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Symphony + Historian · ABB

95%

v < 3.23.0 3.1

Affected range stops below 3.2, so it looks safe — our inference, not a vendor statement

Symphony + Operations · ABB

95%

v < 2.1 SP2 Rollup 2v < 2.2v < 3.3 Service Pack 11.1 2.0 2.1 sp1 2.1 sp2 3.0 3.1 3.2 3.3

Affected range stops below 2.1 SP2 Rollup 2, so it looks safe — our inference, not a vendor statement

Affected range stops below 2.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.3 Service Pack 1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCMitigationVendor Advisory

Source: [email protected]

https://search.abb.com/library/Download.aspx?DocumentID=2PAA123980&LanguageCode=en&DocumentPartId=&Action=Launch

x_refsource_MISCMitigationVendor Advisory

Source: [email protected]

https://search.abb.com/library/Download.aspx?DocumentID=2PAA123982&LanguageCode=en&DocumentPartId=&Action=Launch

CVSS

7.8HIGHABB

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-274NVD-CWE-noinfo

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